Sweet Dreams Sleep Services, PC

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Diagnosis & Tests

After the consultation, the sleep provider will help determine which diagnostic tests are needed. These include:

Polysomnogram (PSG)

  • This is an in-lab sleep study in which you spend the night at the sleep lab. This test consists of EEG (looking at brain activity), eye movement, muscle tone, microphone (for snoring), EKG, oxygen levels, leg movements, and breathing.
  • This test looks for Obstructive Sleep Apnea, Central Sleep Apnea, Mixed Sleep Apnea, hypoventilation disorders, other sleep-related breathing disorders, REM Behavior Disorder, other parasomnias, Idiopathic hypersomnia, narcolepsy, and other hypersomnolence disorders, non-24 hour sleep-wake syndrome, delayed sleep phase syndrome, Advances sleep phase syndrome, or other circadian rhythm, bruxism, periodic limb movement disorder, restless legs syndrome, and other sleep related movement disorders.
  • If you do have sleep apnea, then a split night may be performed, where the sleep technician will come in and try a CPAP device and perform a titration to find the correct pressures and device that are needed to treat the sleep related breathing disorder. The split night study determines your patient's PAP settings during the same night without them having to come back another night for another test.

Titration Sleep Study

  • An in-lab sleep study performed at the sleep lab, in which a sleep technician will monitor a patient's breathing and adjust the device pressure to determine the proper air pressure required to prevent upper airway blockage, eliminating pauses in their breathing while they sleep.
  • A titration sleep study may use CPAP (Continuous Positive Airway Pressure), BiPAP, ASV, and/or AVAPS devices.
  • These studies are used to show that the sleep related breathing disorder is well controlled and treated.

Home Sleep Study

  • A sleep study that is done while you are at home. This test consists of monitoring breathing and oxygen levels.
  • It is not as accurate as the in-lab sleep study. It does occasionally provide false negatives or inconclusive data, which a PSG may still need to be performed.
Home Sleep Study

Multiple Sleep Latency Test (MSLT)

  • An in-lab sleep nap test that is performed after the PSG to look for excessive daytime sleepiness and measure how fast a patient will fall asleep.
  • The test consists of 5 scheduled naps that are 2 hours a part. Patient has 20 minutes to fall asleep.
  • This test is used to diagnose narcolepsy and idiopathic hypersomnolence.

Maintenance of Wakefulness Test (MWT)

  • This is an in-lab sleep test that challenges your patients to stay awake through periodic trials. It consists of 2-4 forty minute trails during the day in a quiet and dimly lit room.
  • Test is used to see if CPAP therapy, medication, or other treatment is successful. This is used to measure a patient’s ability to stay awake.
Maintenance of Wakefulness Test (MWT)